* * * Nine volumes, the top student champion series has nine volumes, because the top student of Jiaotong University won the championship online, and then he always has nine volumes of a version of * * *, and it is in grades six to eight, that is, mathematics from primary school to middle school is covered.

Then there are four volumes in grade six and nine volumes in grades six to eight. So, in general, there are nine winners' series.

And his online price is probably the same as that in 200 yuan. If you go to the bookstore to buy it, it may be more expensive. You can try buying it online. Because the books sold online are basically regular and genuine, the final conclusion is that there are nine award-winning series for top students.